That maths exam I took was a regular brain drain.絞盡腦汁的數(shù)學(xué)測(cè)驗(yàn),我真是絞盡了腦汁.There is a major brain drain from China to other countries.中國(guó)的很多人才外流到國(guó)外.This company experienced a serious brain - drain in the competition.在競(jìng)爭(zhēng)中,這家公司人才流...